通过水溶液直接合成法制得L -苏氨酸镧，研究了L -苏氨酸镧的产率与反应的投料比、时间、温度、酸度等因素的关系。
This study focused on the preparation conditions of the Lanthanum with L-Threonine, including synthesis, feed ratio, temperature, acidity and time.
本发明的合成法采用微波副 射下的两步反应，反应速度快，反应时间短，产品收率超过75％。
The synthesis method adopts the two-step reaction under microwave radiation, and has the advantages of high reaction speed, short reaction time, and the product yield over 75 percent.
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